1. carefully

2. slow

3.fluently

4. well

5.hard

6.bright

7.fast

8.easily

first the nurse takes my temperature

hoặc the nurse takes my temperature first

Gọi UCLN(3n+2,2n+1) = d

=> 2.(3n+1) = 3n + 2 chia hết cho d

=> 6n + 4 chia hết cho d

=> 2n + 1 chia hết cho d

=> 3(2n+1) = 6n + 3 chia hết cho d

Mà UCLN(6n+4,6n+3) = 1

Vậy UCLN(2n+2,2n+1) = 1